<USB Serial Kotlin> I am looking for an Android US...

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[user]

USB Serial Kotlin
I am looking for an Android USB-Serial example in Kotlin.
Almost every example I have found is in Java, which I suppose is still ok, but I haven't been able to compile any of them successfully.
I am quite new to Android / Kotlin, and just want to get the most basic send and receive going from my phone to a USB device over an OTG cable.
Any help / pointers / suggestions gratefully received.
Thank you
Garrett